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趙 楠1， 馬 凱2， 陳彬磊1， 李 婷1
（1 北京市建筑設(shè)計(jì)研究院，北京100045；2 哈爾濱工程大學(xué)航天與建筑工程學(xué)院，哈爾濱 150001）[摘要] 國內(nèi)中低層隔震建筑物發(fā)展已漸成熟，隔震技術(shù)正逐漸應(yīng)用于高層結(jié)構(gòu)。對于高層結(jié)構(gòu)，隔震層的濾波效應(yīng)對樓層絕對加速度響應(yīng)的影響是非常值得關(guān)注的，可以大大降低罕遇地震下次生災(zāi)害的發(fā)生概率。結(jié)合北京某大底盤多塔隔震結(jié)構(gòu)（建成后將成為目前大陸地區(qū)最高的隔震建筑），對結(jié)構(gòu)在多遇地震、罕遇地震下的加速度響應(yīng)進(jìn)行分析，分析表明，隔震后的結(jié)構(gòu)加速度響應(yīng)顯著降低，有利于保持建筑使用功能和提高地震時(shí)人員的舒適度。在目前對結(jié)構(gòu)的地震反應(yīng)仍然有很多不明確因素的狀態(tài)下，采用隔震技術(shù)是一種有效防止結(jié)構(gòu)受損的手段。
[關(guān)鍵詞] 隔震結(jié)構(gòu)；多塔結(jié)構(gòu)；中間層；濾波原理；加速度響應(yīng)
中圖分類號：TU352.1 文獻(xiàn)標(biāo)識碼：A 文章編號：1002-848X(2011) Sl-0205-03Design and application of multi-tower high-rise structure isolated on intermediate floor
Zhao Nan1, Ma Kai2, Chen Binlei1, Li Ting1
(1 Beijing Institute of Architectural Design, Beijing 100045, China; 2 Dept. Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China)Abstract: Seisnuc isolation has been well developed in multi-story structures in Cluna, and it has been applied to more and more high-rise buildings gradually. For high-rise buildings, the filtering influence of isolation layer to absolute acceleration response of stories is highly concemed, by which the probability of secondary disaster under rare earthquake can be reduced greatly. The acceleration response analysis under frequent earthquake and rare earthquake of one multi-tower isolated structure with an enlarged base in Beijing, which will be the tallest isolated building in the mainland after built, was carried out. The result shows that acceleration response of the isolated building is reduced sigruficantly. It has advantage to maintain function and keep people comfortable. Although there are many uncertain factors affecting the response of the structure under earthquake, seismic isolation is one of the best ways to prevent high-rise buildings from earthquake damage.
Keywords: isolation structure; multi-tower structure; intermediate floor; filtering theory; acceleration response
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